DNIPROVSKIY PIPE WORKS

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Couplings

Couplings for casing

Coupling

Thread type

Steel grade

114

Short Triangular (STC), 
Long Triangular (LTC), 
OTTM, OTTG, Buttress

Д, К, Е, Л, М, Р,
J-55, K-55, N-80,
L-80, C-90,
P-110, Q-125

127

140

146

168

178

194

219

245

273

299

324

340

351

406

426

451

473

508

Couplings for tubing

Coupling

Pipe type

Steel grade

27

Without upset, 
External Upset Ends (EUE),
Gastight (NKM)

Д, К, Е, Л, М, Р,
J-55, K-55, N-80,
L-80, C-90,
P-110, Q-125

33

42

48

60

73

89

102

114

 

Couplings for casing